When you deploy multiple Raspberry Pis in your house, it is a good practice to give each of them a unique hostname. Since the default hostname for Raspbian is raspberrypi, it will be easier to look for the IP address of a new Raspbian installation in this situation.
Given that, let us look at how you can change the hostname of your Raspberry Pi in Raspbian via the Raspberry Pi Software Configuration Tool (raspi-config).
Since the inception of Let’s Encrypt, many webmasters had been able to deploy web applications that encrypt communication channels with browser-trusted certificates.
Most importantly, Let’s Encrypt provide all the magic for free.
Let’s Encrypt certificates are automatically issued by software participating in the ACME protocol. Therefore, we will need to run such a software on a Raspberry Pi web server for serving HTTPS with browser-trusted certificates.
Given that, let’s see how we can install Certbot on Raspbian Buster.